* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #1f2933;
    background-color: #f5f7fa;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    background: #0b2545;
    color: white;
    padding: 30px 0;
}

header h1 {
    margin: 0;
    font-size: 42px;
    letter-spacing: 1px;
}

header p {
    margin: 5px 0 20px;
    font-size: 18px;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    flex-wrap: wrap;
}

.nav-brand {
    font-weight: bold;
    display: none;
}

.nav-toggle {
    display: none;
    background: white;
    color: #0b2545;
    border: none;
    font-size: 26px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-right: 18px;
    font-weight: bold;
}

.nav-links a:hover {
    text-decoration: underline;
}

.hero {
    background: white;
    margin: 35px 0;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.hero h2 {
    color: #0b2545;
    font-size: 32px;
    margin-top: 0;
}

.highlight {
    background: #e8f1fb;
    padding: 20px;
    border-left: 5px solid #0b5cad;
    margin-top: 25px;
    border-radius: 8px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.card {
    background: #f8fafc;
    border: 1px solid #d9e2ec;
    border-radius: 10px;
    padding: 20px;
}

.card h3 {
    margin-top: 0;
    color: #0b5cad;
}

.contact-box {
    background: #f8fafc;
    border: 1px solid #d9e2ec;
    padding: 20px;
    border-radius: 10px;
}

a {
    color: #0b5cad;
}

footer {
    text-align: center;
    padding: 20px;
    background: #0b2545;
    color: white;
    margin-top: 40px;
}

.hero-banner {
    background: linear-gradient(
        rgba(11, 37, 69, 0.88),
        rgba(11, 37, 69, 0.88)
    ),
    url("https://images.unsplash.com/photo-1581092921461-eab62e97a780?auto=format&fit=crop&w=1600&q=80");
    background-size: cover;
    background-position: center;
    color: white;
    padding: 90px 40px;
    border-radius: 14px;
    min-height: 430px;
    display: flex;
    align-items: center;
}

.hero-text {
    max-width: 760px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 14px;
    font-weight: bold;
    color: #9fd3ff;
    margin-bottom: 12px;
}

.hero-banner h2 {
    font-size: 44px;
    line-height: 1.15;
    margin: 0 0 20px;
    color: white;
}

.hero-banner p {
    font-size: 18px;
    max-width: 700px;
}

.hero-buttons {
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 13px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-right: 12px;
}

.btn.primary {
    background: #1d8fe1;
    color: white;
}

.btn.secondary {
    border: 2px solid white;
    color: white;
}

.btn:hover {
    opacity: 0.9;
}

@media (max-width: 700px) {
    header h1 {
        font-size: 34px;
    }

    .navbar {
        align-items: flex-start;
    }

    .nav-brand {
        display: block;
        color: white;
        margin-top: 8px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        margin-top: 15px;
    }

    .nav-links.show {
        display: block;
    }

    .nav-links a {
        display: block;
        margin: 10px 0;
        padding: 10px;
        background: #12365f;
        border-radius: 6px;
    }

    .hero {
        padding: 25px;
    }

    .hero h2 {
        font-size: 26px;
    }

    .hero-banner {
    padding: 55px 25px;
    min-height: 360px;
    }

    .hero-banner h2 {
        font-size: 30px;
    }

    .hero-banner p {
        font-size: 16px;
    }

    .btn {
        display: block;
        margin: 10px 0;
        text-align: center;
    }

}